USTEK - Overview: Ustekinumab Quantitation with Antibodies, Serum
Evaluation of loss of response to therapy Quantification of ustekinumab in human serum Trough level quantitation for evaluation of patients treated with ustekinumab Detection of antibodies to ustekinumab in human serum
HBIM - Overview: Hepatitis B Virus Core IgM Antibody, Serum
Diagnosis of acute hepatitis B virus (HBV) infection Identifying acute HBV infection in the serologic window period when hepatitis B virus surface antigen and hepatitis B virus surface antibody results are negative Differentiation...
FRTUP - Overview: Free Thyroxine Index (FTI), Serum
Estimating the amount of circulating free thyroxine (free thyroxine index) using the total thyroxine and thyroid binding capacity (T-uptake)
SFEC - Overview: Iron and Total Iron-Binding Capacity, Serum
Screening for chronic iron overload diseases, particularly hereditary hemochromatosis Screening for iron deficiency as the cause of anemia Monitoring treatment for iron deficiency anemia This test should not be used as the primary test...
JO1 - Overview: Jo 1 Antibodies, IgG, Serum
Evaluating patients with clinical features of idiopathic inflammatory myositis, especially those with clinical features suggestive of anti-synthetase syndrome or interstitial lung disease
WAGDR - Overview: Alpha Globin Cluster Locus Deletion/Duplication, Blood
Diagnosis of alpha-thalassemia Carrier screening for individuals from high-risk populations for alpha-thalassemia This test is not useful for diagnosis or confirmation of beta-thalassemia or hemoglobinopathies.
AN2TC - Overview: Antineuronal Nuclear Antibody Type 2 (ANNA-2) Titer, Spinal Fluid
Investigating middle-aged or older patients who present with unexplainable signs of midbrain/cerebellar/brain stem disorder and/or myelopathy, especially women with a previous history of breast cancer, and both sexes if there is a history...
AN2TS - Overview: Antineuronal Nuclear Antibody Type 2 (ANNA-2) Titer, Serum
Investigating middle-aged or older patients who present with unexplainable signs of midbrain/cerebellar/brain stem disorder and/or myelopathy, especially women with a previous history of breast cancer, and both sexes if there is a history...
BAPS - Overview: Bile Acid Profile, Serum
Evaluating the enterohepatic cycle consisting of the biliary system, intestine, portal circulation, and hepatocytes Supporting researchers in need of free and conjugated values of all 20 bile acid species as well as total bile acid
CTX - Overview: Beta-CrossLaps, Serum
Monitoring antiresorptive therapies (eg, bisphosphonates and hormone replacement therapy) in postmenopausal women treated for osteoporosis and individuals diagnosed with osteopenia An adjunct in the diagnosis of medical conditions...
ROPG - Overview: Measles (Rubeola) Antibodies, IgG, Serum
Determining immune status of individuals to the measles virus Documenting previous infection with measles virus in an individual without a previous record of immunization to measles virus
Detection of CBFB::MYH11 gene fusion in patients recently diagnosed with acute myeloid leukemia (AML) Minimal residual disease monitoring during the clinical and therapeutic course of patients with AML
199PT - Overview: Carbohydrate Antigen 19-9 (CA 19-9), Peritoneal Fluid
An adjunct to cytology to differentiate between malignancy-related ascites and benign causes of ascites formation
DHTS - Overview: Dihydrotestosterone, Serum
Monitoring patients receiving 5-alpha reductase inhibitor therapy or chemotherapy Evaluating patients with possible 5-alpha reductase deficiency
PREGN - Overview: Pregnenolone, Serum
An ancillary test for congenital adrenal hyperplasia, particularly in situations in which a diagnosis of both 21- and 11-hydroxylase deficiency have been ruled out Confirming a diagnosis of 3-beta-hydroxy dehydrogenase deficiency
YERSC - Overview: Yersinia Culture, Feces
Determining whether Yersinia species may be the cause of diarrhea Reflexive testing for Yersinia species from nucleic acid amplification test-positive feces This test is generally not useful for patients hospitalized more than 3 days...
F11DX - Overview: 11-Desoxycortisol
11-Desoxycortisol
FA1GP - Overview: Alpha-1-Acid Glycoprotein
Alpha-1-Acid Glycoprotein
FDCU - Overview: Deoxypyridinoline Crosslinks, Urine
Deoxypyridinoline Crosslinks, Urine
AATHR - Overview: Thrombophilia Profile, Plasma and Whole Blood
Evaluating patients with thrombosis or hypercoagulability states Detecting a lupus-like anticoagulant; dysfibrinogenemia; disseminated intravascular coagulation/intravascular coagulation and fibrinolysis Detecting a deficiency of...
AMLPF - Overview: Acute Myeloid Leukemia (AML), FISH, Pediatric, Varies
This test should not be used to screen for residual acute myeloid leukemia (AML). Useful at diagnosis for detecting recurrent common chromosome abnormalities in pediatric patients with AML An adjunct to chromosome studies in patients with...
PMAOG - Overview: Postmortem Aortopathy Gene Panel, Tissue
Providing a comprehensive postmortem genetic evaluation in the setting of a sudden death attributed to thoracic aortic dissection or with a personal or family history suggestive of Marfan syndrome, Loeys-Dietz syndrome, thoracic aortic...
Predicting potential for toxicity to thiopurine drugs (6-mercaptopurine, 6-thioguanine, and azathioprine)
HMDB - Overview: Heavy Metals Screen with Demographics, Blood
Detecting exposure to arsenic, lead, cadmium, and mercury
MCLNG - Overview: MayoComplete Lung Cancer-Targeted Gene Panel with Rearrangement, Tumor
Diagnosis and management of patients with lung cancer Assessing microsatellite instability
AHEP - Overview: Acute Viral Hepatitis Profile, Serum
Differential diagnosis of recent acute viral hepatitis
BTKSG - Overview: Bruton Tyrosine Kinase, BTK Full Gene Analysis, Varies
Confirming a diagnosis of X-linked agammaglobulinemia in patients with a history of recurrent sinopulmonary infections, profound hypogammaglobulinemia, and less than 1% peripheral B cells, with or without abnormal Bruton tyrosine kinase...
CRHEP - Overview: Chronic Viral Hepatitis (Unknown Type), Serum
Diagnosis and evaluation of patients with symptoms of hepatitis lasting more than 6 months Distinguishing between chronic hepatitis B and C
QNKS - Overview: Natural Killer (NK)/Natural Killer T-Cell Subsets, Quantitative, Blood
Quantitation of the major natural killer (NK)-cell subsets relative to total NK cells (NK cell subsets) or total lymphocytes (NK T cells) Assessment in the following clinical contexts: HIV, primary immune deficiencies with NK cell...
DOGPF - Overview: Dog Dander, IgE, with Reflex to Dog Dander Components, IgE, Serum
Evaluating patients with suspected dog dander allergy
2D6Q - Overview: Cytochrome P450 2D6 Comprehensive Cascade, Varies
Providing information relevant to tamoxifen, codeine, and tramadol, as well as other medications metabolized by cytochrome P450 2D6 Determining the exact genotype when other methods fail to generate this information or if...
ORXNA - Overview: Orexin-A/Hypocretin-1, Spinal Fluid
Aiding in the diagnosis and differentiation of type 1 narcolepsy from other causes of hypersomnolence This assay is not intended for use as a screening test.
TOXGP - Overview: Toxoplasma gondii Antibody, IgG, Serum
Determining whether a patient has had previous exposure to or recent infection with Toxoplasma gondii This test is not useful for diagnosing infection in infants younger than 6 months of age. In that age group, IgG antibodies usually are...
PAI1 - Overview: Plasminogen Activator Inhibitor Antigen, Plasma
Identification of heredity elevation or deficiency of plasminogen activator inhibitor type 1 Determination of risk for veno-occlusive disease associated with bone marrow transplantation Differential diagnosis of impaired fibrinolysis...
PTOX - Overview: Toxoplasma gondii, Molecular Detection, PCR, Varies
Supporting the diagnosis of acute cerebral, ocular, disseminated, or congenital toxoplasmosis This test should not be used to screen healthy patients.
THYRO - Overview: Thyrotropin Receptor Antibody, Serum
Recommended first-line test for detection of thyrotropin receptor antibodies Differential diagnosis of etiology of thyrotoxicosis in patients with ambiguous clinical findings and/or contraindicated (eg, pregnant or breast-feeding) or...
HBNTP - Overview: Hepatitis B Virus Surface Antigen Confirmation, Prenatal, Serum
Diagnosis of acute, recent, or chronic hepatitis B in prenatal patients This test is not useful during the "window period" of acute hepatitis B (ie, after disappearance of hepatitis B virus surface antigen [HBsAg] and prior to appearance...
HBA1C - Overview: Hemoglobin A1c, Blood
Evaluating the long-term control of blood glucose concentrations in patients with diabetes Diagnosing diabetes Identifying patients at increased risk for diabetes (prediabetes) This assay is not useful in determining day-to-day glucose...
HSVC - Overview: Herpes Simplex Virus (HSV), Molecular Detection, PCR, Spinal Fluid
Aiding in the rapid diagnosis of herpes simplex virus (HSV)-1 and HSV-2 infections of the central nervous system
FET - Overview: Iron, Liver Tissue
Diagnosis of hemochromatosis using liver tissue specimens
NSESF - Overview: Neuron-Specific Enolase (NSE), Spinal Fluid
An auxiliary test in the diagnosis of Creutzfeldt-Jakob disease An auxiliary test in the diagnosis of small cell lung carcinoma metastasis to central nervous system or leptomeninges
PPFWE - Overview: Protoporphyrins, Fractionation, Washed Erythrocytes
Preferred test for analysis of erythrocyte protoporphyrin fractions Preferred test for evaluating patients with possible diagnoses of erythropoietic protoporphyria and X-linked dominant protoporphyria Establishing a biochemical...
STSH - Overview: Thyroid-Stimulating Hormone-Sensitive (s-TSH), Serum
Screening for thyroid dysfunction and detecting mild (subclinical), as well as overt, primary hypo- or hyperthyroidism in ambulatory patients Monitoring patients on thyroid replacement therapy Confirmation of thyrotropin (TSH, formerly...
ROPAN - Overview: Ro52 and Ro60 Antibodies, IgG, Serum
Evaluating patients at risk for connective tissue disease with or without interstitial lung disease Differentiation of antibodies to Ro52 and Ro60 in patients known to be positive for anti-SS-A (Ro) antibodies
CORT - Overview: Cortisol, Serum
Discrimination between primary and secondary adrenal insufficiency Differential diagnosis of Cushing syndrome This test is not recommended for evaluating response to metyrapone.
COCOU - Overview: Cortisol/Cortisone, Free, 24 Hour, Urine
Screening test for Cushing syndrome (hypercortisolism) Assisting in diagnosing acquired or inherited abnormalities of 11-beta-hydroxy steroid dehydrogenase (cortisol to cortisone ratio) Diagnosis of pseudo-hyperaldosteronism due to...
EBVQN - Overview: Epstein-Barr Virus DNA Detection and Quantification, Plasma
Diagnosis of Epstein-Barr virus (EBV)-associated infectious mononucleosis in individuals with equivocal or discordant EBV serologic marker test results Diagnosis of post-transplant lymphoproliferative disorders (PTLD), especially in...
GlycoMark
FIL8S - Overview: Interleukin-8 (IL-8) Serum
Interleukin-8 (IL-8) Serum
Information: Interpreting Laboratory Tests to Determine New vs. Residual Use of Marijuana - Insights
In this month's "Hot Topic," Paul Jannetto, Ph.D., identifies how to determine new vs. residual use of marijuana in a patient, and teaches how to calculate the carboxy-tetrahydrocannabinol (carboxy-THC)...
Laboratory and Pathology Research Roundup: March 12 - Insights
known. We performed laser microdissection (LCM) of glomeruli followed by mass spectrometry (MS) in 12 cases each of DDD, C3GN, and pretransplant kidney control biopsies....
COVID-19: At-home sample collection vs. at-home testing - Insights
The concept of at-home testing for COVID-19 sounds straightforward. But there's nuance to it that's important to understand. Right now, an at-home test for COVID-19 is not available, although there may be one coming soon. But in some areas,...
Clinic Laboratory and Pathology Research Roundup: Nov. 12 - Insights
This week’s Research Roundup highlights a mechanism for preventing asymmetric histone segregation onto replicating DNA strands.
Transfusion Toons: A1 vs. A2 - Insights
Justin Kreuter, M.D., Clinical Pathologist and Medical Director of the Mayo Clinic Blood Donor Center in Rochester, Minnesota, and Theresa Malin, an Education Specialist in Transfusion Medicine at Mayo Clinic, have launched “Transfusion...